Como instalar ffmpeg-2.8.6 no Ubuntu 15.10

[Luvitoro]

Amigos bom dia !

Tinha instalado Ubuntu 15.04, ao ser atualizado para 15.10 o FFMPEG foi removido e baixei o ffmpeg-2.8.6.. segui o ritual via terminal, só que que o caminho está complicado no install não define o caminho.
Tenho está situação:

~/Downloads/ffmpeg-2.8.6$ ls
arch.mak                                    COPYING.LGPLv2.1             ffserver.c                           libswscale
Changelog                                 COPYING.LGPLv3                ffserver_config.c             LICENSE.md
cmdutils.c                                  CREDITS                                 ffserver_config.h            MAINTAINERS
cmdutils_common_opts.h    doc                                         INSTALL.md                       Makefile
cmdutils.h                                 ffmpeg.c                                libavcodec                        presets
cmdutils_opencl.c                  ffmpeg_dxva2.c                   libavdevice                       README.md
common.mak                           ffmpeg_filter.c                     libavfilter                           RELEASE
compat                                      ffmpeg.h                                libavformat                      RELEASE_NOTES
config.fate                                ffmpeg_opt.c                       libavresample                   tests
config.log                                  ffmpeg_vdpau.c                   libavutil                              tools
configure                                   ffmpeg_videotoolbox.c     libpostproc                     VERSION
COPYING.GPLv2                      ffplay.c                                     library.mak                      version.sh
COPYING.GPLv3                      ffprobe.c                                 libswresample

INSTALL.md

#Installing FFmpeg:

1. Type `./configure` to create the configuration. A list of configure
options is printed by running `configure --help`.

    `configure` can be launched from a directory different from the FFmpeg
sources to build the objects out of tree. To do this, use an absolute
path when launching `configure`, e.g. `/ffmpegdir/ffmpeg/configure`.

2. Then type `make` to build FFmpeg. GNU Make 3.81 or later is required.

3. Type `make install` to install all binaries and libraries you built.

NOTICE
------

- Non system dependencies (e.g. libx264, libvpx) are disabled by default.

Por onde prosseguir ?

[rodrigo.miguel]

Por que você não instala a versão do repositório do 15.10?

Código Selecionar Expandir

sudo apt-get update; sudo apt-get install ffmpeg

[Luvitoro]

Por que você não instala a versão do repositório do 15.10?

Código Selecionar Expandir

sudo apt-get update; sudo apt-get install ffmpeg

Bom dia Rodrigo !
Já tentei e tem esse problema que estou buscando solução:

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E: Falhou o download de alguns ficheiros de índice. Foram ignorados ou os antigos foram usados em seu lugar

[rodrigo.miguel]

Eu removeria os repositórios que estão dando erro.

Sobre o ffmpeg, tem pacote no repositório, veja se consegue baixar e instalar manualmente: http://security.ubuntu.com/ubuntu/pool/universe/f/ffmpeg/ffmpeg_2.7.6-0ubuntu0.15.10.1_amd64.deb

Código Selecionar Expandir

cd ~/Downloads

sudo dpkg -i ffmpeg_2.7.6-0ubuntu0.15.10.1_amd64.deb